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Transition from gamma-rigid to gamma-soft dynamics in the interacting boson model: Quasicriticality and quasidynamical symmetry
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SYSNO ASEP 0331696 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Transition from gamma-rigid to gamma-soft dynamics in the interacting boson model: Quasicriticality and quasidynamical symmetry Title Přechod od gama -pevné ke gama-měkké dynamice v modelu interagujících bonusů: Kvazikritičnost a kvazidynamická symetrie Author(s) Macek, M. (CZ)
Dobeš, Jan (UJF-V) RID, SAI, ORCID
Cejnar, P. (CZ)Source Title Physical Review. C - ISSN 0556-2813
Roč. 80, č. 1 (2009), 014319/1-014319/15Number of pages 15 s. Language eng - English Country US - United States Keywords NUCLEAR COLLECTIVE MODELS ; PHASE-TRANSITIONS ; CHAOTIC PROPERTIES Subject RIV BE - Theoretical Physics R&D Projects GA202/06/0363 GA ČR - Czech Science Foundation (CSF) GA202/09/0084 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10480505 - UJF-V (2005-2011) UT WOS 000268618500033 DOI 10.1103/PhysRevC.80.014319 Annotation We study the transition from the gamma-rigid to gamma-soft collective nuclear dynamics across the Casten triangle of the interacting boson model using mean-field techniques and confront the description with the exact diagonalization. We inspect the domain of validity of the SU(3) quasidynamical symmetry inside the Casten triangle and reveal critical behavior within the low-lying excited spectrum due to a degeneracy of beta and gamma vibrations. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2010
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